The Notify button enables registered members to subscribe to email notification of replies to the topic.

The Mark Unread button enables registered members to mark the topic as 'unread', which means that it will still be listed as new and can be effectively 'saved for later'. Note that this button changes to Add Poll in the bottom button set for users with permission to add polls to existing topics.

The Send Topic button enables registered members to send a link to the topic by email.

The Print button creates a simplified, printer-friendly rendering of the page.